Can You Do High-Intensity Exercise With Arthritis?
Arthritis is one of the most misunderstood conditions when it comes to exercise. Many people living with arthritis quietly scale back their physical activity, assuming that protecting joints means doing less. The evidence says otherwise.
This article is for informational purposes only and is not a substitute for professional medical advice. Always consult a doctor or physiotherapist before starting or changing an exercise routine.
Myth 1: Exercise makes arthritis worse.
This is the most persistent belief, and it does real harm. The assumption that an inflamed or painful joint requires rest is a common misunderstanding. Too little exercise can cause muscle weakness, pain, and stiffness1.
Physical activity is one of the most effective ways to reduce pain and improve mobility for people with arthritis. Movement keeps cartilage nourished, strengthens the muscles that support damaged joints, and over time reduces the very symptoms people are trying to avoid by stay still2.
Myth 2: Older adults with arthritis should stick to gentle movement.
Gentle movement has real value and is often a sensible starting point. But staying at that level indefinitely is not always the most helpful approach. Many older adults with arthritis are capable of more than they have been led to believe, and gradually scaling up can lead to less pain, better mobility, and more energy over time.
Building strength and balance through regular exercise also plays a significant role in fall prevention for older adults.
The question is not whether a more challenging activity is possible. It is whether it is being approached in the right way for the individual.
Myth 3: High-intensity training is only for younger, healthy people.
Intensity is not a fixed concept. What counts as high-intensity for one person looks quite different for another. For someone with arthritis, it might mean a brisk walk that raises the heart rate and creates some breathlessness, or a resistance exercise that genuinely challenges the muscles.
The Canadian Society for Exercise Physiology recommends that adults aim for at least 150 minutes (1.5 hours) of moderate-to-vigorous aerobic physical activity accumulated over a week, alongside muscle-strengthening activities twice per week. Vigorous activity is defined as breathing heavily enough that holding a conversation would be difficult. For many older adults with arthritis, reaching that level is more achievable than they assume, particularly with the right guidance and a gradual progression2.
Myth 4: If it hurts, it's doing damage.
Pain during exercise is not automatically a warning sign. With any new physical activity, some discomfort or soreness is normal and does not mean the activity is damaging the joints. When people avoid activities they believe will cause pain, this can reinforce the brain's perception that those activities are associated with danger, making pain feel more intense over time2,3.
The more useful question is whether the pain is familiar or unusual, within a normal range or outside it. Learning to make that distinction, ideally with the support of a qualified professional, is more helpful than stopping altogether.
Myth 5: I have arthritis, so I know my limits. I don't need guidance.
Living with a condition for years builds genuine knowledge, and that experience is valuable. But self-managed limits are not always accurate. Doing the right exercises in the right way is important to avoid overloading joints, and many people unknowingly avoid movements that would help, instead pushing through the wrong kind of discomfort.
A physiotherapist can help develop a therapeutic exercise program unique to individual needs. Guidance is not a suggestion that someone does not understand their own body. It is how effort translates into the right outcomes, safely and over time.
Start Safely Exercising with Arthritis
What the evidence consistently supports is a combination of aerobic activity, strength training, and flexibility work, scaled to the individual and progressed gradually. Finding the right support makes all the difference, and there are qualified professionals across Canada who specialize in exactly this.
Sources
Public Health Agency of Canada – Arthritis Facts and Myths
Arthritis Society Canada – Physical Activity Guide
Arthritis Society Canada – Arthritis Pain Management Guide